On Wed, 20 Mar 2019 20:08:17 +0100 Frank Kardel <kar...@netbsd.org> wrote:
> This seems to be a long standing deficiency of the driver. Looking at > the SCSI spec it is recommended to issue a READ POSITION command > > get the current position. Looking at the spec and code it should be > possible to handle the SP_EOM case better with respect to the position > information I suggest that you should look at what FreeBSD does for the command: mt locate -e I have not attempted to use NetBSD with a tape, but I am using FreeBSD with an LTO-7 drive and "mt locate -e" works flawlessly. I always follow that command in my scripts with a "mt rdspos", to verify that it worked correctly, by comparing the result with the last written position on that tape (the position after "mt locate -e" should be the position read after writing the previous last file + 1). Best regards !